It is certain, that if we don't stop the mindless exploitation of our natural resources, we will be looking at the biggest energy crisis the world has ever known. The steadily diminishing reserves of fossil fuels, and the detrimental effect they have on the environment, calls for a new kind of fuel. A fuel that is both in high (possibly infinite) abundance, and it is in harmony with the natural equilibrium of the world. Of course any alternatives suggested here are to be considered 'work in progress', although this is indeed the first step towards one brighter and more abundant future.

Ethanol

Getting drunk sure is fun, at least according to some people. But what is even more fun is providing a cheap and self-sustainable alternative to petrol, that is both powerful and cost-efficient. Sadly, pure ethanol is still fairly difficult to synthesize at home, and the amount of sugar necessary for large scale production will cost way to much money to be economically prosperous. It is a good alternative however, if we could simplify the production process, that everyone is able to brew their own fuel.

Vegetable Oil

If you thought vegetable oil to be for salads and frying only, think again. Environmentalists everywhere are rejoicing, after Volkswagen launched their flagship car, which uses 100% bio-diesel energy, emitting nothing but oily goodness. Indeed, vegetable oil can be substituted with almost any kind of naturally occurring oil, although vegetable oil is the cheapest to make. We will be watching with anticipation the fate of this fantastic new invention.

Water

Yes, it is possible to flue your car with water. Until now using water as fuel has been dismissed as improbable if not impossible. The Japanese car Genepax can run for about 80 km per hour, for 60 minutes on one liter of water. Hydrogen molecules form the water are used to generate electricity, which in turn powers an electric motor, making this the 'cleanest' and most environmentally sound car in history.

Electric Accumulators

We are still young in our quest to safely store electricity for the purpose of fueling a car. But the French company Peugeot did it exactly that. Their take on 21st century post, post modernism is plainly seen in the futuristic design this vehicle has, and the best part is it runs on, yes you guessed it, batteries. All this contraption needs is an electric outlet, where the batteries can be recharged, not much more.

Biomass

If you are baffled with how something like water and ethanol can fuel a car, you will be surprised to know that wood pellets make for one excellent fuel. Biomass it is called, and it is truly a magnificent technology. Bio-chemical energy surges forth to power the engine. Although not very fast, this car can run on wood chips alone; and as we know wood chips are quite abundant in nature.

Compressed Air

Now that we have cleared the air, so to speak, let me present the final contender in our 'alternative fuel' segment. Yes, I had to see it to believe it, but you can actually power a car using compressed air; the same kind we breathe every day. This vehicle will be able to go as fast as 35 MPH, and with a few drops of oil, this blimp on wheels could heat and compress the air so much, that it reaches speeds up to 90 MPH!

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Meet the owner of Southeast Green Beth Bond, but most know her through her Twitter handle @BethSEGreen. Here is a link: www.southeastgreen.com. Southeast Green is based in Decatur and Beth is the Curator of Sustainable News at Southeast Green.